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Luxman LV-113

Stereo Integrated Amplifier (1988-90)

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Luxman LV-113


Power output: 65 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 100kHz

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 65.6dB (MM), 83.6dB (line)

Semiconductors: 49 x diodes, 4 x zener diodes, 33 x transistors, 25 x IC

Dimensions: 438 x 137 x 382mm

Weight: 9.8kg


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At Home In The 90s

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Reviewed Nov 03rd, 2017 by guest

This amp has a clarity to the sound not heard in any other brand of amp. Pioneer, Marrantz, and Sansui do not hold a candle to the clarity and sonic quality that this amp pumps out at 70 watts/ch. A whopping 10hz-100khz frequency response ensures that EVERY sound be heard.

True digital inputs of both coax and optical allow the amp to shine with 48khz of professional broadcast quality sound.

The quality, sound, and shear excellence of this amp will surprise even the most accomplished audiophile.



re: LV-113

Thanks for you shematics , and bests regards !


LV-113 channel loss fix

Many people are experiencing the loss of one channel on the LV-113. In many cases, the problem is simply a fractured solder joint on the PCB that has the "SpeakerA", "SpeakerB", and "POWER" switches. The PCB is very flimsy and flexes quite vigorously in transport. Mine got damaged in shipping.

If you think you have this problem, inspect the PCB and re-solder all of the joints on the board, specifically the switches and connector. The connector is tall and doesn't have much support so definitely check that out on the PCB as well.

If you need more details or photos, you can send me a PM.

re: LV-113 channel loss fix

I don't know if my problem could be referred to the specific issue depicted above, but I am expreriencing the loss of left speaker signal randomly. Usually I put the volume up in order to make the left speaker working again.
Do you think it is an amplifier damage or left speakervdoes not work properly?

thank you for your reply

re: LV-113 channel loss fix

If you want to rule out the speakers, swap them and see if the right channel starts cutting out. It was the left for me as well, and swapping speakers didn't swap the problem.

BTW, turning up the volume also temporarily fixed the issue for me as well.

re: LV-113 channel loss fix

Hi Mario,

The symptom you describe is more likely a bad speaker / protection relay. Over time the contacts get oxidized, and if you don't keep the volume down until the relay has activated, the contacts can get pitted due to the surge of current through the relay.

The solution is to either disassemble the relay and clean / burnish the contacts or replace it entirely.


re: LV-113

Good service manuals, thanks.

This website is not affiliated with or sponsored by Luxman. To purchase LV-113 spares or accessories, please contact the company via their website or visit an authorised retailer.